Template:Selected anniversaries/September 20: Difference between revisions
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||1819 – Frederick Ellsworth Sickels, American inventor (d. 1895) | ||1819 – Frederick Ellsworth Sickels, American inventor (d. 1895) | ||
File:James Dewar.jpg|link=James Dewar (nonfiction)|1842: Chemist and physicist [[James Dewar (nonfiction)|James Dewar]] born. He will invent the vacuum flask. | File:James Dewar.jpg|link=James Dewar (nonfiction)|1842: Chemist and physicist [[James Dewar (nonfiction)|James Dewar]] born. He will invent the vacuum flask, which he will use in conjunction with extensive research into the liquefaction of gases. | ||
||1876 – Carleton Ellis, American inventor and chemist (d. 1941) | ||1876 – Carleton Ellis, American inventor and chemist (d. 1941) | ||
Revision as of 17:53, 8 July 2017
1842: Chemist and physicist James Dewar born. He will invent the vacuum flask, which he will use in conjunction with extensive research into the liquefaction of gases.
1996: Mathematician and academic Paul Erdős dies. He firmly believed mathematics to be a social activity, living an itinerant lifestyle with the sole purpose of writing mathematical papers with other mathematicians.
New survey names Egg Tooth neighborhood as "most popular neighborhood in New Minneapolis."